<div *ngFor="let item of items let i = index">
    <span>{{item.text}}；当前循环下标：{{i}}</span>
</div>
<div>
    <app-sys-button [options]="addOptions" (btnClick)="addData()"></app-sys-button>
    <app-sys-button [options]="resetOptions" (btnClick)="reset()"></app-sys-button>
</div>